We know that two separate wave front originating from two whereas sources produce interference,Secondary wavelets originating from different parts of same wave front constitute diffraction. So given statement on option \((A)\) is valid.
નીચે આપેલ પૈકીમાંથી કયુ સૌથી યોગ્ય રીતે ઊપરનું સિગ્નલ દર્શાવેલ છે?